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GeForce GTX 980 vs Radeon RX 470

Intro

The GeForce GTX 980 features a clock speed of 1126 MHz and a GDDR5 memory frequency of 1750 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 64 ROPs.

Compare all of that to the Radeon RX 470, which comes with a core clock frequency of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also uses a 256-bit bus, and makes use of a 14 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
GeForce GTX 980 165 Watts
Difference: 45 Watts (38%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 980 is 6% quicker than the Radeon RX 470 overall, because of its higher bandwidth. (explain)

GeForce GTX 980 224000 MB/sec
Radeon RX 470 211200 MB/sec
Difference: 12800 (6%)

Texel Rate

The GeForce GTX 980 is much (approximately 22%) more effective at texture filtering than the Radeon RX 470. (explain)

GeForce GTX 980 144128 Mtexels/sec
Radeon RX 470 118528 Mtexels/sec
Difference: 25600 (22%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 980 is a better choice, by far. (explain)

GeForce GTX 980 72064 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 42432 (143%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 980

Amazon.com

Radeon RX 470

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 980 Radeon RX 470
Manufacturer nVidia AMD
Year September 2014 August 2016
Code Name GM204-400 Polaris 10
Memory 4096 MB 8192 MB
Core Speed 1126 MHz 926 MHz
Memory Speed 7000 MHz 6600 MHz
Power (Max TDP) 165 watts 120 watts
Bandwidth 224000 MB/sec 211200 MB/sec
Texel Rate 144128 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 2048 2048
Texture Mapping Units 128 128
Render Output Units 64 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 5200 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

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